CN212945649U

CN212945649U - Sleeve type knife

Info

Publication number: CN212945649U
Application number: CN202021079246.XU
Authority: CN
Inventors: 陈小红; 包力
Original assignee: Changzhou Hayu Tools Co ltd
Current assignee: Changzhou Hayu Tools Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-04-13
Anticipated expiration: 2030-06-12

Abstract

The utility model relates to a shell type knife, installation department including a body structure, the installation department is the cylindricality, sets up the mounting hole that runs through its both ends in the middle of this cylindricality installation department, and the extrusion is provided with the processing section in installation department one end periphery, the processing section includes first cutter body and the second cutter body that the interval set up, the thickness of first cutter body is greater than the thickness of second cutter body, and the inboard of first cutter body and second cutter body all has the cutting edge, the cutting edge includes end sword and side sword, the last cutting recess that has seted up of side sword. The utility model discloses convenient operation, the processing effect is high, can guarantee the roughness of processing, has improved processingquality.

Description

Sleeve type knife

Technical Field

The utility model belongs to the technical field of milling cutter technique and specifically relates to a shell type sword.

Background

The types of milling tools mainly include end mills, face mills, flat mills, and the like. Wherein the shell end mill (shell cutter) can simultaneously cut with the end edge and the side edge to provide a good finish of the machined surface. The conventional sleeve type cutter is inconvenient to operate when a ring groove is machined, the roughness is not easy to guarantee, and the machining quality is influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: overcomes the defects in the prior art and provides a sleeve type knife.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a shell type knife, includes the installation department of a body structure, the installation department is the cylindricality, sets up the mounting hole that runs through its both ends in the middle of this cylindricality installation department, and the protruding processing section that is provided with in installation department one end periphery, the processing section includes first cutter body and the second cutter body that the interval set up, the thickness of first cutter body is greater than the thickness of second cutter body, and the inboard of first cutter body and second cutter body all has the cutting edge, the cutting edge includes end sword and side sword, the last cutting groove that has seted up of side sword.

The sleeve type cutter is of an integrated structure, and the operation is convenient; the machining section is provided with a first cutter body and a second cutter body which are distributed at intervals, and the thicknesses of the two cutter bodies are different, so that the machining roughness is ensured; the side edge is provided with the cutting groove, so that chips can be removed by the cutting groove, the chips cannot be plugged between the two cutter bodies, and the cutting groove is formed along the edge of the cutting edge and cannot influence the cutting performance.

Further, one end, far away from the machining section, of the mounting part is provided with a widening section, and a 45-degree chamfer is arranged at the joint of the widening section and the mounting part.

The fastness of installation department is guaranteed to the section of widening, sets up chamfer easy to assemble.

Further, one end of the mounting part, which is close to the processing section, is provided with a notch, and the diameter of the notch is larger than that of the mounting hole.

The notch is formed, and the notch is matched with the cutter handle, so that the cutting torque of the sleeve cutter can be effectively transmitted.

Further, two ends of the cutting edge of the first cutter body and the cutting edge of the second cutter body are provided with chamfers, and two end faces of the chamfers are inclined inwards by 3 degrees.

So set up, can guarantee that the both ends of cutting edge can not break the angle when processing.

Further, the inner side of the first cutter body is provided with a first cutting edge, 5 first cutting grooves are formed in the side edge of the first cutting edge, and the distance between every two of the 5 first cutting grooves from left to right is 4mm, 5mm and 5 mm.

Further, the inner side of the second cutter body is provided with a second cutting edge, the side edge of the second cutting edge is provided with 5 second cutting grooves, and the distance between every two of the 5 second cutting grooves from left to right is 4mm, 4mm and 4mm in sequence.

The utility model has the advantages that: the utility model discloses convenient operation, the processing effect is high, can guarantee the roughness of processing, has improved processingquality.

Drawings

The present invention will be further described with reference to the accompanying drawings and embodiments.

Fig. 1 is a sectional view of the present invention.

Fig. 2 is a right side view of fig. 1.

Fig. 3 is a sectional view in the direction a-a of fig. 2.

Fig. 4 is a schematic structural view of the first cutting edge of the present invention.

Fig. 5 is a schematic structural view of the second cutting edge of the present invention.

In the figure: 1. the cutting tool comprises a mounting portion, 11, a mounting hole, 12, a machined section, 13, a widened section, 14, a chamfer, 15, a notch, 121, a first cutter body, 122, a second cutter body, 1211, a first cutting edge, 12111, a first cutting groove, 1221, a second cutting edge, 12211, and a second cutting groove.

Detailed Description

The invention will now be further described with reference to the accompanying drawings. The drawings are simplified schematic diagrams only illustrating the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1 and 2, a cutting insert comprises a mounting portion 1 of an integral structure, the mounting portion 1 is cylindrical, a mounting hole 11 penetrating through two ends of the cylindrical mounting portion 1 is formed in the middle of the cylindrical mounting portion 1, a machining section 12 is convexly arranged on the periphery of one end of the mounting portion 1, the machining section 12 comprises a first cutter body 121 and a second cutter body 122 which are arranged at intervals, the thickness of the first cutter body 121 is larger than that of the second cutter body 122, chamfers are arranged at two ends of a cutting edge of the first cutter body 121 and the second cutter body 122, and two end faces of the two cutter bodies incline inwards by 3 degrees;

as shown in fig. 4, the first cutter body 121 has a first cutting edge 1211 on the inner side thereof, the side edge of the first cutting edge 1211 is provided with 5 first cutting grooves 12111, and the distance between each two of the 5 first cutting grooves 12111 from left to right is 4mm, 5mm and 5 mm;

as shown in fig. 5, the second cutter body 122 has a second cutting edge 1221 on the inner side thereof, and 5 second cutting grooves 12211 are provided on a side edge of the second cutting edge 1221, and the distances between the 5 second cutting grooves 12211 from left to right are 4mm, and 4mm in this order.

As shown in FIG. 2, one end of the mounting part 1 far away from the machining section 12 is provided with a widening section 13, and the joint of the widening section 13 and the mounting part 1 is provided with a chamfer 14 of 45 degrees. The end part of the mounting part 1 close to the processing section 12 is provided with a notch 15, and the diameter of the notch 15 is larger than that of the mounting hole 11.

The sleeve type cutter of the embodiment is of an integrated structure and is convenient to operate; the machining section 12 is provided with a first cutter body 121 and a second cutter body 122 which are distributed at intervals, the two cutter bodies are different in thickness, namely different in feeding force, the first cutter body 121 which is thin mainly ensures that a workpiece is cut into, and the second cutter body 122 which is thicker than the first cutter body gently cuts off the part of the workpiece which is cut into, so that the machining roughness is ensured; the side edges are provided with the cutting grooves, so that chips can be removed by the cutting grooves, the chips cannot be plugged between the two cutter bodies, and the cutting grooves are formed along the edges of the cutting edges and cannot influence the cutting performance.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable people skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A shell type knife is characterized in that: the installation department including a body structure, the installation department is the cylindricality, sets up the mounting hole that runs through its both ends in the middle of this cylindricality installation department, and the protrusion is provided with the processing section on installation department one end periphery, the processing section includes first cutter body and the second cutter body that the interval set up, the thickness of first cutter body is greater than the thickness of second cutter body, and the inboard of first cutter body and second cutter body all has the cutting edge, the cutting edge includes end sword and side sword, the last cutting groove of having seted up of side sword.

2. The sleeve knife according to claim 1, wherein: the one end that the processing section was kept away from to the installation department has the widening section, the junction of widening section and installation department is equipped with 45 chamfers.

3. The sleeve knife according to claim 2, wherein: the installation department is close to the one end tip of processing section and is equipped with the breach, the diameter of breach is greater than the diameter of mounting hole.

4. The sleeve knife according to claim 1, wherein: the cutting edge both ends of first cutter body and second cutter body are provided with the chamfer, and the equal leanin 3 of both ends face.

5. The sleeve knife according to claim 4, wherein: the inner side of the first cutter body is provided with a first cutting edge, the side edge of the first cutting edge is provided with 5 first cutting grooves, and the distance between every two of the 5 first cutting grooves from left to right is 4mm, 5mm and 5mm in sequence.

6. The sleeve knife according to claim 4, wherein: the inboard of second cutter body has the second cutting edge, be equipped with 5 second cutting grooves on the side sword of second cutting edge, 5 second cutting grooves are 4mm, 4mm and 4mm from left to right two spacing in proper order.